Which materials make up a tectonic plate?

What best describes the layer directly beneath tectonic plates?

Which process releases energy inside Earth that helps sustain mantle circulation?

Which process is represented by the circulating arrows beneath the plates?

For plates with a cold, dense edge sinking into the mantle, which driving mechanism is often strongest?

Oceanic lithosphere slides downhill from an elevated spreading center under gravity. Name this driving mechanism.

How does ocean-floor rock generally change farther from a spreading center?

What major scientific weakness limited early acceptance of Wegener's continental drift proposal?

Why does the plate beneath the ocean usually descend when the plates in this model meet?

The volcanoes in this model sit on which plate?

Which mountain range formed mainly through the plate interaction shown?

Which plate motion helped build the Andes?

Which trench is highlighted on the map?

Along the trench highlighted on this map, which plate descends?

Identify the highlighted mountain range.

Which effect of an offshore earthquake can directly generate a tsunami?

A ball is launched upward at an angle. Ignoring air resistance, what happens to its horizontal velocity during flight?

A ball starts with an upward velocity component of 12 m/s. Ignoring air resistance, what is that component at the highest point?

At the top of a ball's flight, with air resistance neglected, where does its acceleration point?

Two balls leave the same table simultaneously: one is dropped and the other launched horizontally. Ignoring air resistance, which reaches a level floor first?

Two balls are launched at 30° and 60° with the same speed. Both land at their launch height. Ignoring air resistance, how do their horizontal ranges compare?

A student launches a ball at a fixed speed. If it lands at its launch height and air resistance is negligible, which angle gives the greatest horizontal distance?

At the same launch speed, which angle gives the greatest peak height above the launch point, ignoring air resistance?

A ball is launched at 12 m/s and 60 degrees above horizontal. Use $g=9.8m/{\mathrm{s}}^2$ and neglect air resistance. What is its maximum height above the launch point?

A ball's launch speed is doubled while its angle stays unchanged. With equal launch and landing heights and no air resistance, what happens to its horizontal distance?

A ball's launch speed is doubled without changing its upward launch angle. It leaves and lands at ground level, with no air resistance. How does its flight time change?

Both launches shown have the same speed and angle. With no air resistance, which takes longer to reach the ground?

A catapult is raised by 2 m without changing its launch speed or angle. Ignoring air resistance, how does the ball's highest position above the ground change?

Paths A and B show the same ball launched with identical initial velocities. One calculation includes air resistance in still air; the other neglects it. Which path includes air resistance?

A light ball and a heavy ball are launched with identical velocities from the same point in a vacuum. How do their paths compare?

Two balls have the same size, shape, and launch velocity but different masses. Which has the smaller initial acceleration caused by air resistance?

A 2 kg cart and a 4 kg cart move east at 3 m/s. Which has more momentum?

Use the velocity arrow and the scale. A cart has a mass of 2 kg. What is the magnitude of its momentum?

A 0.20 kg ball moves right at 5 m/s, then rebounds left at 5 m/s. What is the magnitude of its change in momentum?

At the same initial speed and under the same constant braking force, what happens to a cart's stopping distance when its mass is doubled?

What happens to an object's momentum when the net external force on it is zero?

Compare pulses P and Q. What can you conclude about the impulses they deliver?

A golf club brings a 45 g ball from rest to 67 m/s in 0.0010 s. Neglect other forces during contact. What average force does the club exert?

Ana catches an egg moving toward her. Which action best reduces the force needed to bring it to rest?

A crash brings a passenger to rest from the same initial velocity, with or without an airbag. How does the passenger's total change in momentum compare?